31965219

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 59028480

約数和(自身を除く): 27063261

約数列:

[1, 3, 9, 11, 13, 17, 27, 33, 39, 51, 99, 117, 143, 153, 187, 221, 297, 351, 429, 459, 487, 561, 663, 1287, 1461, 1683, 1989, 2431, 3861, 4383, 5049, 5357, 5967, 6331, 7293, 8279, 13149, 16071, 18993, 21879, 24837, 48213, 56979, 65637, 69641, 74511, 91069, 107627, 144639, 170937, 208923, 223533, 273207, 322881, 626769, 819621, 968643, 1183897, 1880307, 2458863, 2905929, 3551691, 10655073, 31965219]

約数ペア:

[(1, 31965219), (3, 10655073), (9, 3551691), (11, 2905929), (13, 2458863), (17, 1880307), (27, 1183897), (33, 968643), (39, 819621), (51, 626769), (99, 322881), (117, 273207), (143, 223533), (153, 208923), (187, 170937), (221, 144639), (297, 107627), (351, 91069), (429, 74511), (459, 69641), (487, 65637), (561, 56979), (663, 48213), (1287, 24837), (1461, 21879), (1683, 18993), (1989, 16071), (2431, 13149), (3861, 8279), (4383, 7293), (5049, 6331), (5357, 5967)]